Figure 5 from: Portman ZM, Orr MC, Griswold T (2019) A review and updated classification of pollen gathering behavior in bees (Hymenoptera, Apoidea). Journal of Hymenoptera Research 71: 171-208. https://doi.org/10.3897/jhr.71.32671

Figure 5 Osmia pilicornis Smith (Megachilidae) gathering pollen by rubbing with the face against the anthers of Ajuga reptans L. (Lamiaceae). The bee repeatedly jerks the entire body A up and B down. Image adapted from Prosi et al. (2016).